>..., then taxpayers are entitled to be alarmed at the suggestion that some choose not to work so as not to contribute financially to a kaffir nation. That's harder to quantify but it's a reasonable question to ask.

You simplify.
It's not that is not partial true, get me right.
Possibly nobody will give them a job as well? Because of known problems? Starting by language? You know what the term positive feedback means, in cybernetics? That is what happens. There are exceptions, but this is known as distourbance. If I do not trust a memember of the given group the job to clear my car window - how do they feel there place in our society is - will there reaction proove my assumptions?
Get me right, I'm not up to hand out anything for free. I have a clear idea how a guest should behave. The belgiums have done there way to deal with there own society, it's up to them. It' seems not to be a too bad way. Other countries don't need foreigners to have armed terrorist.
https://www.washingtonpost.com/news/post-nation/wp/2016/01/03/armed-militia-bundy-brothers-take-over-federal-building-in-rural-oregon/